--- a/tests/test-annotate.t	Mon Apr 19 20:38:52 2021 -0400
+++ b/tests/test-annotate.t	Mon Mar 29 01:52:06 2021 +0200
@@ -479,19 +479,19 @@
 
   $ cat > ../legacyrepo.py <<EOF
   > from __future__ import absolute_import
-  > from mercurial import commit, error, extensions, node
+  > from mercurial import commit, error, extensions
   > def _filecommit(orig, repo, fctx, manifest1, manifest2,
   >                 linkrev, tr, includecopymeta, ms):
   >     fname = fctx.path()
   >     text = fctx.data()
   >     flog = repo.file(fname)
-  >     fparent1 = manifest1.get(fname, node.nullid)
-  >     fparent2 = manifest2.get(fname, node.nullid)
+  >     fparent1 = manifest1.get(fname, repo.nullid)
+  >     fparent2 = manifest2.get(fname, repo.nullid)
   >     meta = {}
   >     copy = fctx.copysource()
   >     if copy and copy != fname:
   >         raise error.Abort('copying is not supported')
-  >     if fparent2 != node.nullid:
+  >     if fparent2 != repo.nullid:
   >         return flog.add(text, meta, tr, linkrev,
   >                         fparent1, fparent2), 'modified'
   >     raise error.Abort('only merging is supported')